$4 Cheesy Burgers when you use your PATTY PERKS app to earn loyalty To redeem this offer be sure your Patty Perks App order includes a cheesy burger and it will be $4. Offer Valid Only in The Patty Perks App. Valid Thursday, August 21st, 2025 only.

August Free Fridays Features a Free Cookie With Any Burger Purchase Made In-Store. (1) Free Cookie with Burger Purchase for each Transaction. Offer Valid Only On Friday, August 1, 8, 15, 22, + 29, 2025. Offer Only Available at Participating Locations.

black pepper seasoned angus beef patty, Swiss, applewood smoked bacon, sour cream horseradish, arugula, tomato, toasted brioche bun

creamy vanilla ice cream, nellie and joe's® key lime juice, graham cracker crumbles, fluffy whipped cream, lime wheel

rich peanut butter flavor combines with soft chewy centers + crispy edges to give these cookies the perfect balance of salty + sweet. For a limited time only.

100 Bonus Points on your entire purchase made with your patty perks loyalty account on the 21st of Every Month!

Every Wednesday get a cheesy and fries combo meal special!

Order online or in the B21 app for Burger 21 delivery!

Download the patty Perks app To Earn Rewards